Jennifer's College Graduation Party

This is the inspiration board I have for Jennifer's Graduation party. I purchased The paper pom poms and the congratulations banners already. But the top left photo is the inspiration. I have been working on cake/cupcake toppers and sat down last night to finish them up and my pens were ALL dried out from sitting in the sun all day. I was so bummed! I ran out this morning and got a whole new set. The only problem I am having is that all of the table cloths are black.. It might not look as bad as I am thinking but I might have to run to the dollar store and get a quick fix. : ) 

What do you guys think? Any suggestions for cheap but fun party decorations?